ARM: rpi: support model A+
Add a board rev entry for the new model A+, and augment the board
rev error handling code to be a bit more verbose.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/arch/arm/include/asm/arch-bcm2835/mbox.h b/arch/arm/include/asm/arch-bcm2835/mbox.h
index 0289ba6..88d2ec1 100644
--- a/arch/arm/include/asm/arch-bcm2835/mbox.h
+++ b/arch/arm/include/asm/arch-bcm2835/mbox.h
@@ -140,6 +140,7 @@
#define BCM2835_BOARD_REV_B_REV2_f 0xf
#define BCM2835_BOARD_REV_B_PLUS 0x10
#define BCM2835_BOARD_REV_CM 0x11
+#define BCM2835_BOARD_REV_A_PLUS 0x12
struct bcm2835_mbox_tag_get_board_rev {
struct bcm2835_mbox_tag_hdr tag_hdr;
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index ca8e86d..6227e9b 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -149,6 +149,11 @@
"bcm2835-rpi-cm.dtb",
false,
},
+ [BCM2835_BOARD_REV_A_PLUS] = {
+ "Model A+",
+ "bcm2835-rpi-a-plus.dtb",
+ false,
+ },
};
u32 rpi_board_rev = 0;
@@ -260,12 +265,17 @@
}
rpi_board_rev = msg->get_board_rev.body.resp.rev;
- if (rpi_board_rev >= ARRAY_SIZE(models))
+ if (rpi_board_rev >= ARRAY_SIZE(models)) {
+ printf("RPI: Board rev %u outside known range\n",
+ rpi_board_rev);
rpi_board_rev = 0;
+ }
name = models[rpi_board_rev].name;
- if (!name)
+ if (!name) {
+ printf("RPI: Board rev %u unknown\n", rpi_board_rev);
name = "Unknown model";
+ }
printf("RPI model: %s\n", name);
}